Mitsui's world-class facilities insure not only better quality through environmental control; Mitsui's plant is efficient and organized to gain all benefits from economy of scale, just-in-time logistics, and ownership-based control methodologies to insure each job is done right the first time.
From the designing and manufacturing of dies to the stamping of cores, Mitsui's integrated global production system guarantees "top quality" and "low cost".
Leadframes have complicated shapes and, for punching such complicated shapes, some punches are thinner than a human hair and require the keenest care in machining and assembling. It is only our long-accumulated technology that enables such difficult work.